Bellevue has 26 drainage basins – areas of land that each drain to a stream or lake. City staff have prepared fact sheets that offer a snapshot of the built and natural conditions in each drainage basin.

Bellevue’s high-quality drinking water comes from the Tolt River and Cedar River watersheds, and meets or exceeds all state and federal drinking water standards. Stringent testing throughout the year shows that your water is safe.

Rain gardens reduce the need for costly "gray" stormwater infrastructure and give healthy soils and plants an opportunity to capture and filter urban runoff before it has a chance to harm our creeks, lakes, rivers and Puget Sound.

Puget Sound Starts Here is a partnership of cities, counties, state and federal agencies, nonprofit groups, and local organizations dedicated to improving water quality and aquatic habitat in the Puget Sound region.